Friday, February 7, 2014

Student Challenge: Missing Number

What is the missing number in this series?46, 10, 8229, 11, 4796, 15, 7854, 9, 7242, ???, 15

For a blog point, place your answer in a closed envelope addressed to "Mr. Koch." Put your name and grade as the return address. Deliver it to Mr. Koch at school.

p.s. If you can't find me, your teacher can put it in my mailbox too!
p.p.s. You can add comments, but DON'T reveal your answer in the comments!

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